Reference Manual for the Model DG814 DSL Modem Internet Gateway
Content Filtering
With its content filtering features, the Model DG814 gateway prevents objectionable content from reaching your PCs. Its content filtering features include:
•Content filtering by domain or keyword
The Model DG814 gateway uses content filtering to enforce your network’s Internet access policies. The gateway allows you to control access to Internet content by screening for keywords within Website names or newsgroup names.
•Logging of inappropriate use
You can configure the Model DG814 gateway to log access to Web sites and to
Security
The Model DG814 gateway is equipped with several features designed to maintain security, as described in this section.
•PCs Hidden by NAT
Network address translation (NAT) opens a temporary path to the Internet for requests originating from the local network. Requests originating from outside the LAN are discarded, preventing users outside the LAN from finding and directly accessing the PCs on the LAN.
•Port Forwarding with NAT
Although NAT prevents Internet locations from directly accessing the PCs on the LAN, the gateway allows you to direct incoming traffic to specific PCs based on the service port number of the incoming request, or to one designated “DMZ” host computer. You can specify forwarding of single ports or ranges of ports.
Autosensing 10/100 Ethernet
With its internal,
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